1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
// This file is generated from mozilla\HTMLCanvasElement.webidl. Do not edit!
package js.html;
/**
The `HTMLCanvasElement` interface provides properties and methods for manipulating the layout and presentation of canvas elements. The `HTMLCanvasElement` interface also inherits the properties and methods of the `HTMLElement` interface.
Documentation [HTMLCanvasElement](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement) by [Mozilla Contributors](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement$history), licensed under [CC-BY-SA 2.5](https://creativecommons.org/licenses/by-sa/2.5/).
@see <https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement>
**/
@:native("HTMLCanvasElement")
extern class CanvasElement extends Element {
/**
Is a positive `integer` reflecting the `width` HTML attribute of the `canvas` element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of `300` is used.
**/
var width : Int;
/**
Is a positive `integer` reflecting the `height` HTML attribute of the `canvas` element interpreted in CSS pixels. When the attribute is not specified, or if it is set to an invalid value, like a negative, the default value of `150` is used.
**/
var height : Int;
/**
Returns a drawing context on the canvas, or null if the context ID is not supported. A drawing context lets you draw on the canvas. Calling getContext with `"2d"` returns a `CanvasRenderingContext2D` object, whereas calling it with `"webgl"` (or `"experimental-webgl"`) returns a `WebGLRenderingContext` object. This context is only available on browsers that implement WebGL.
@throws DOMError
**/
function getContext( contextId : String, ?contextOptions : Dynamic ) : Dynamic;
/**
Returns a data-URL containing a representation of the image in the format specified by the `type` parameter (defaults to `png`). The returned image is in a resolution of 96dpi.
@throws DOMError
**/
function toDataURL( type : String = "", ?encoderOptions : Dynamic ) : String;
/**
Creates a `Blob` object representing the image contained in the canvas; this file may be cached on the disk or stored in memory at the discretion of the user agent.
@throws DOMError
**/
function toBlob( callback : Blob -> Void, type : String = "", ?encoderOptions : Dynamic ) : Void;
/**
Returns a `CanvasCaptureMediaStream` that is a real-time video capture of the surface of the canvas.
@throws DOMError
**/
function captureStream( ?frameRate : Float ) : CanvasCaptureMediaStream;
/** Shorthand for getting a CanvasRenderingContext2D. */
inline function getContext2d( ?attribs : {} ) : CanvasRenderingContext2D {
return cast getContext("2d", attribs);
}
/** Shorthand for getting a js.html.webgl.RenderingContext. */
inline function getContextWebGL( ?attribs : js.html.webgl.ContextAttributes ) : js.html.webgl.RenderingContext {
return CanvasUtil.getContextWebGL(this, attribs);
}
/** Shorthand for getting a js.html.webgl.WebGL2RenderingContext. */
inline function getContextWebGL2( ?attribs : js.html.webgl.ContextAttributes ) : js.html.webgl.WebGL2RenderingContext {
return this.getContext('webgl2', attribs);
}
}
private class CanvasUtil {
public static function getContextWebGL( canvas :CanvasElement, attribs :{} ) {
for (name in ["webgl", "experimental-webgl"]) {
var ctx = canvas.getContext(name, attribs);
if (ctx != null) return ctx;
}
return null;
}
}
|
